52-46
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 52 Configuring QoS
Configuring QoS on the Switch
ACE Name, Marking Rule, Policing, and Filtering Syntax
The ACE command syntax is organized as follows:
ACL_command ACL_type_and_name marking_rule policing_rule filtering
For example, in an IP ACE, the command syntax is as follows:
set qos acl ip acl_name {dscp dscp_value | trust-cos | trust-ipprec | trust-dscp} [microflow
microflow_name] [aggregate aggregate_name] src_ip_spec [precedence precedence | dscp-field dscp]
[before editbuffer_index | modify editbuffer_index]
• set qos acl ip acl_name—Creates a named ACL of the specified type or adds the ACE to the ACL
if it already exists. See the “ACL Names” section on page 52-45.
• {dscp dscp_value | trust-cos | trust-ipprec | trust-dscp}—Selects a marking rule. See the
“Marking Rules” section on page 52-23.
• [microflow microflow_name] [aggregate aggregate_name]—Optionally configures policing in the
ACE. See the “Policers” section on page 52-24.
• src_ip_spec [precedence precedence | dscp-field dscp]—The rest of the parameters, except the
editbuffer keywords, configure filtering.
Named IP ACLs
These sections describe how to create or modify the IP ACLs:
• Source and Destination IP Addresses and Masks, page 52-46
• Port Operator Parameters, page 52-47
• Precedence Parameter Options, page 52-47
• IP ACEs for TCP Traffic, page 52-47
• IP ACEs for UDP Traffic, page 52-48
• IP ACEs for ICMP Traffic, page 52-48
• IP ACEs for IGMP Traffic, page 52-49
• IP ACLs for Other Layer 4 Protocols, page 52-49
• IP ACEs for Any IP Traffic, page 52-50
Source and Destination IP Addresses and Masks
In the IP ACEs, specify the source and destination IP addresses and masks (represented by the
src_ip_spec and dest_ip_spec parameters in the following sections) in the form ip_address mask. The
mask is mandatory. Use one bits, which need not be contiguous, where you want the wildcards.
Use any of the following formats for the address and mask:
• Four-part dotted-decimal 32-bit values
• The keyword any as an abbreviation for a wildcard address and wildcard mask of 0.0.0.0
255.255.255.255
• The abbreviation host ip_address for an address and wildcard mask of ip_address 0.0.0.0
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